Perform the indicated operations. Write the resulting polynomial in standard form.(x + y)2
A. x2 + xy + y2
B. x2 + y2
C. x2 + 2xy + y2
D. x2 + 2x2y2 + y2
Answer: C
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Simplify by using the order of operations. Round your answer to the nearest hundredth, if necessary.2.12 + 2.4 - 6.6
A. 4.41 B. 0.21 C. 0 D. -2.1
Solve.
= 2
A. 
B. 2
C. 4
D. 
Solve the problem.The average height of a boy in the United States, from birth through 60 months, can be modeled by 
where y is the average height, in inches, of boys who are x months of age. What would be the expected difference in height between a child 49 months of age and a child 16 months of age?
A. 48.9 inches B. 20.3 inches C. 10.7 inches D. 8.7 inches
Determine any local or absolute extrema as indicated.Use the graph of f to estimate the absolute extrema.
A. Absolute maximum: ?; absolute minimum: -? B. No absolute maximum; no absolute minimum C. Absolute maximum: 1; absolute minimum: 4 D. Absolute maximum: approx. 3.66; absolute minimum: approx. -2.55